Hot-plate.



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HOT PLATE. APPLICATION FILED OCT- 30, 1915.

7 1,1 79,71 6. Patented Apr. 18, 1916.

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v 30 rests, 10 a extending toward ROGER w. emswo'nb, mm, PENNSYLVANIA,ASs-IGNOR T0 eRiswoLn MANUFACQ TUBINGCOMiEANYJxOEERIEpPENNSYLVANIAaA:sCOIREPQRAQEIGNE OFi-FEENNSYLRFANIAH''Pennsylvania, have invented new and useful-Improvements in Hot-Plates,of which I the following is a specification.

This invention relates to hot plates and consists in certainimprovements in the construction thereof as will be hereinafter fullydescribed and pointed out in the claims.

' The object of the invention is to simplify the burner support andvalve connection with the gas supply pipe.

The invention is illustrated in the accompanying drawings as followsFigure 1 shows a plan view of a partof the hot plate. Fig. 2 a sectionon the line 22 in Fig. 1. Fig. 3a front elevation v of a part of theplate.

1 marks the plate frame, 2 the burner opening, 3 the gridon the burneropening, 4 the gas pipe supporting projection extending from the front.of the frame, 5 the gas pipe which ordinarily extends along the frontof the stove, 6 the hose connection for the gas pipe, 7 the burner, 8 anextension on the burner, 9 a pocket extending from the frame on whichthe extension 8 mixer extension on the burner the front of the plate and11 the mixer. These parts are in a general way of common construction.

The mixer 11 has an opening 12 in its front face which slips over a proection 13 on the valve 14. The valve 14 has an upwardlyextendingscrew-threaded portion 15 which is screwed 'into .the screw-threadedopening in the bottom of the pipe 5. While this method of supporting thefront of the burner and of securing the valve to the gas pipe is asimple and inexpensive one it is objectionable because of the-tendencyof the valve to be knocked out of alinement with the mixer and wherethis happens the gas jet 13 from the valve to the burner 1s moved out ofalinement with the mixer and prevents a proper functioningof the mixerSpecification of Letters Patent.

Patented Apr. 18,1916.

Application filed October 30, 1915. Serial No. 58,753.

and jet so that there is an imperfect mixture delivered to the burner.The advantage of the simplicity of this construction is utilized in thepresent invention and the valve 14 is locked against turning relativelyto the pipe 15 thus obviating the objection that would otherwise bepresent. The valve has a forwardly extending screw-threaded portion 16.This extends from the shoulder 17 on the valve body. A plate 18 isslipped on the extension 16' and clamped against the shoulder 17 bymeans ofa nut 19 on the extension 16. This plate abuts the face of thepipe 5 and thus securely locks the valve 14 against turning in the pipe5.

The usual gland 20 is screwed on to the extension 16 and the valve isoperated from a handle 21 in theordinary manner.

What I claim as new is 2-- 1. In a hot plate, the combination of a plateframe; a gas supply pipe secured to the frame; a valve having a screwconnection with said pipe; means for locking the valve against turningrelatively to said pipe; and a burner having a mixer extension intowhich the valve leads and directs the gas jet in alinement with themixer.

2. In a hot plate, the combination'of a plate frame; a gas supply pipesecured to the frame; a valve having a screw connection with said pipeand having a screwthreaded extension thereon; a plate secured on saidscrew-threaded extension and abutting said pipe for locking said valveagainst turning relatively to said pipe; and a burner .plate frame; agas supply pipe secured to the frame; a valve having a screw connec--tion with said pipe, said valve having a screw-threaded extensionthereon; a plate arranged on said extension and said pipe for lockingthe valve against turning relatively to said pipe; a nut on saidextension clamping said plate on said valve; and a burner having a mixerextension into WhlCh the valve leads and directs the fuel jet intoalinement with the mixer.

4. In a hot plate, the combination of a plate frame; a .gas supply pipesecured to 5 the frame; veivehavmg a, isere'vv' cj o mec-" tion withsand plpe; means for locking the p 1 valve against turning relatively tosaid pipe; and wburner having a mixer extension into which the valveleads, said valve supporting the front portion of the burner. 10 In,testimony whereof vI havehereunto hand t 5 v.,ROG RW,QBI W Q DL .1

Gopies o'tthi .petent naysbe obtained foriafive centsjeach, byaddressing the Commissio11er of IP a te'n ts,

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